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Valve Cover Spacer Riser 551641 5 Review

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Average

Revainrating 3.5 out of 5  
Rating 
3.7
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Description of Valve Cover Spacer Riser 551641 5

1/2" Inch Valve Cover Spacers for (set of 2). Compatible with 1999 up LS series engines. Uses factory style valve cover seals. Includes: 8 bolts, 2 valve cover spacers. Made in the USA from aerospace grade billet aluminum.

Reviews

Global ratings 2
  • 5
    1
  • 4
    0
  • 3
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  • 2
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  • 1
    1

Type of review

Revainrating 5 out of 5

Improved Performance with Valve Cover Riser

As a result of using this product, i found that my engine's performance increased significantly. The valve cover riser allowed for better air flow and increased horsepower. The only drawback was the installation process which required some extra time and effort... Overall, I highly recommend this product to anyone looking to enhance their car's performance..

Pros
  • Improves engine airflow and performance
Cons
  • Increases engine height, potentially causing clearance issues with other components

Revainrating 1 out of 5

Add wrong/misleading picture

The picture is misleading - these are replacement LS1 valve caps for something I have no idea about but not LS1 valve caps. Also in the product description it doesn't say that they differ from the regular LS valve cover gasket set. Very upset - will update review after contacting Revain or the seller. See the photo of what I got instead below.

Pros
  • Used factory style valve cover gaskets
Cons
  • Slightly torn